18" Proof Research - 6mm ARC build and testing - factory and handloaded ammo
#4
Very much looking forward to everyone's results.

After years of listening to people complain about being constrained to magazine length with the Grendel, I'm still having trouble wrapping my head around a 2.20 OAL for this round.
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RE: 18" Proof Research - 6mm ARC build and testing - factory and handloaded ammo - by Biodsl - 08-11-2020, 04:07 PM

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